@media screen and (min-width: 1682px){
    .cont_e{width: 639px;}
    .cont_r{width: 639px;}
    /*.cont_app_c{margin-top:-505px;}*/
    .huXi{top: 24%;}
}
@media screen and (min-width: 1024px) and (max-width: 1678px){
    .cont_sd{margin: 0px 2px 25px 2px;width: 260px;}
    .cont_t{font-size: 44px;}
    .cont_app_k{}
    /*.cont_app_c{margin-top: -395px;}*/
}
@media only screen and (max-width: 1280px){
    .cont_sd{margin: 0px 2px 25px 2px;width: 245px;}
    .cont_sz em,.cont_sh em{font-size: 24px;}
}
@media screen and (min-width: 1410px) and (max-width: 1620px){
    .cont_sd{margin: 0px 1px 25px 1px;width: 278px;}
    .cont_a{margin:0px 2px 5px 2px;}
    .cont_k{width: 512px;margin-left: -257px;}
    /*.cont_app_c{margin-top: -405px;}*/
    .huXi{top:21%;}
    .cont_e{width: 540px;}
    .cont_r{width: 540px;}
    .cont_th{font-size: 36px;}
    .kai_tb{margin-left: 45px;}
    .kai_sou{margin-left: 0px;}
}
@media screen and (min-width: 1346px) and (max-width: 1405px){
    .cont_t{font-size: 38px;}
    .cont_a{margin: 0px 4px 5px 4px;}
    .cont_e{width: 542px;}
    .cont_r{width: 542px;}
    .cont_k{width: 523px;margin-left: -262px;}
    .huXi{top:16%;}
    .be_he h1{margin-left: 3%;}
    .cont_th{font-size: 32px;}
    .kai_tb{margin-left: 30px;}
    .kai_sou{margin-left: 45px;}
}
@media screen and (min-width: 1250px) and (max-width: 1345px){
    .cont_t{font-size: 38px;}
    .cont_a{margin:0px 0px 5px 0px;}
    .cont_e{width: 502px;}
    .cont_r{width: 502px;}
    .cont_k{width: 501px;margin-left: -251px;}
    .huXi{top:15%;}
    .be_hea{margin-right: 25px;}
    .cont_th{font-size: 32px;}
    /*.cont_app_c{margin-top: -315px;}*/
    .be_he h1{margin-left: 3%;}
    .kai_tf{margin-left: 8px;}
    .kai_sou{margin-left: 8px;}
}
@media screen and (min-width: 1000px) and (max-width: 1245px){
    .cont_sd{margin: 0px 8px 25px 8px;}
    .cont_t{font-size: 31px;}
    .cont_a{margin:0px 0px 5px -1px;}
    .cont_e{width: 504px;}
    .cont_r{width: 503px;}
    .cont_k{width: 497px;margin-left:-250px;}
    .be_he h1{font-size: 24px;margin-left: 1%;}
    .be_hec{margin-left: 35px;}
    .be_hea{margin-right: 0;}
    .top_logo{margin-left: 5px;}
    .cont_tt{font-size: 38px;}
    .cont_th{font-size: 26px;}
    .cont_k em{font-size: 28px;}
}
@media screen and (min-width: 1000px) and (max-width: 1350px){
    .video_c{margin-top: -329px;}
}
@media screen and (min-width: 1440px) and (max-width: 1590px){
    .cont_a{  margin: 0px 1px 5px 1px;}
    .cont_k{width: 635px;  margin-left: -318px;}
    .cont_e{width: 522px;}
    .cont_r{width: 522px;}
    .huXi{top: 16%;}
    .kai_sou{margin-left: 45px;}
    .kai_tb{margin-left: 65px;}
}
@media screen and (max-width: 1620px){
	.huXi{top:21%;}
}
@media screen and (max-width: 1440px){
    .video_c{margin-top: -355px;}
    .huXi{top: 19%;}
}